71237504

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1439

約数の個数: 64

約数和(自身を含む): 157879680

約数和(自身を除く): 86642176

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1381, 1612, 1664, 1984, 2762, 3224, 3968, 5524, 6448, 11048, 12896, 17953, 22096, 25792, 35906, 42811, 44192, 51584, 71812, 85622, 88384, 143624, 171244, 176768, 287248, 342488, 556543, 574496, 684976, 1113086, 1148992, 1369952, 2226172, 2297984, 2739904, 4452344, 5479808, 8904688, 17809376, 35618752, 71237504]

約数ペア:

[(1, 71237504), (2, 35618752), (4, 17809376), (8, 8904688), (13, 5479808), (16, 4452344), (26, 2739904), (31, 2297984), (32, 2226172), (52, 1369952), (62, 1148992), (64, 1113086), (104, 684976), (124, 574496), (128, 556543), (208, 342488), (248, 287248), (403, 176768), (416, 171244), (496, 143624), (806, 88384), (832, 85622), (992, 71812), (1381, 51584), (1612, 44192), (1664, 42811), (1984, 35906), (2762, 25792), (3224, 22096), (3968, 17953), (5524, 12896), (6448, 11048)]